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    • 9. 发明授权
    • Recording medium
    • 录音媒体
    • US08236394B2
    • 2012-08-07
    • US13023803
    • 2011-02-09
    • Takatoshi TanakaHiroshi AsakawaHitoshi Nagashima
    • Takatoshi TanakaHiroshi AsakawaHitoshi Nagashima
    • B41M5/00
    • B41M5/502B41M2205/42
    • A recording medium comprising a substrate and at least two porous ink receiving layers provided thereon of which a lower layer, second distant from the substrate, is arranged on the substrate side of an upper layer, most distant from the substrate. Pore distribution curves of the upper and lower layers respectively have one peak and two peaks. When pore radii giving the one peak and the two peaks are respectively regarded as R1 and R2, R3 where R2 is smaller than R3, R1 is 8 to 11 nm, R2 is 5 nm or more, R2 is smaller than R1, a difference between R1 and R2 is 2 nm or more, R3 is not less than R1, a difference between R3 and R1 is 3 nm or less. When pore volumes at the pore radii of R2 and R3 are respectively VR2 and VR3, a proportion VR2/VR3 is 0.8 to 2.4.
    • 一种记录介质,包括基板和设置在其上的至少两个多孔油墨接收层,其中第二远离基板的下层布置在离基板最远的上层的基板侧。 上层和下层的孔分布曲线分别具有一个峰和两个峰。 当给出一个峰和两个峰的孔径分别被认为是R1和R2,R3,其中R2小于R3,R1是8到11nm,R2是5nm或更大,R2小于R1, R1和R2为2nm以上,R3不小于R1,R3和R1之间的差为3nm以下。 当R2和R3的孔半径的孔体积分别为VR2和VR3时,VR2 / VR3的比例为0.8〜2.4。
    • 10. 发明申请
    • RECORDING MEDIUM
    • 记录媒体
    • US20110298879A1
    • 2011-12-08
    • US13111213
    • 2011-05-19
    • Masaya AsaoHiroshi AsakawaHitoshi NagashimaTakatoshi Tanaka
    • Masaya AsaoHiroshi AsakawaHitoshi NagashimaTakatoshi Tanaka
    • B41J2/01
    • B41M5/00B41M5/508B41M5/52
    • The invention provides a recording medium capable of inhibiting conspicuousness of scratches attached to the recording medium and preventing the occurrence of density unevenness in an image. The recording medium has a substrate and an ink receiving layer provided on the substrate, wherein substrate is a resin-coated substrate obtained by coating a base material with a resin, and wherein Ra2 is 0.3 μm or more and 2.5 μm or less and Ra1-Ra2 is 2.0 μm or more, where Ra1 is an arithmetic average roughness of a surface of the substrate son the side of the ink receiving layer as prescribed by JIS B 0601:2001 and Ra2 is an arithmetic average roughness of the outermost surface of the recording medium as prescribed by JIS B 0601:2001.
    • 本发明提供一种能够抑制附着在记录介质上的划伤显着性并防止图像中浓度不均匀的记录介质。 记录介质具有基板和设置在基板上的墨接收层,其中基板是通过用树脂涂覆基材获得的树脂涂覆基板,并且其中Ra2为0.3μm以上且2.5μm以下,Ra1- Ra2为2.0μm以上,其中Ra1是基于JIS B 0601:2001规定的油墨接收层侧的基材的表面的算术平均粗糙度,Ra2是记录的最外表面的算术平均粗糙度 介质按JIS B 0601:2001规定。